Dyfyniad APA

Teutsch, S. M., & Churchill, R. E. (2000). Principles and practice of public health surveillance (2nd ed.). Oxford University Press.

Dyfyniad Arddull Chicago

Teutsch, Steven M., and R. Elliott Churchill. Principles and Practice of Public Health Surveillance. 2nd ed. Oxford ; New York: Oxford University Press, 2000.

Dyfyniad MLA

Teutsch, Steven M., and R. Elliott Churchill. Principles and Practice of Public Health Surveillance. 2nd ed. Oxford University Press, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.